Nikberg, Maziar, Abbas Chabok, Henry Letocha, Csaba Kindler, Bengt Glimelius, and Kenneth Smedh. “Lymphovascular and Perineural Invasion in Stage II Rectal Cancer: A Report from the Swedish Colorectal Cancer Registry”. Acta Oncologica 55, no. 12 (December 1, 2016): 1418–1424. Accessed June 26, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/25631.